46 CEBIDA. 
1. Lagothrix Humboldtii. The Grey Capparo. B.M. 
Blackish grey ; hairs dark grey, with very short black tips ; head, 
chest, belly, hands, and tail black ; hair of the belly rather longer, 
weaker. Young greyer. 
Lagothrix Humboldtii, Geoffroy, Tab. Quad. Cebus lagothrix, 
ischer. Simialagotricha, Humboldt, Obs. Zool. i. p.322. L, canus, 
Geoff. Tab. Quad. Simia cana, Humb. 
Var.? L. poppigii, Schinz. L. capparo, Lesson. Gastrimargus oliva- 
ceus, Spe rast 28 (male, good), 1823, 
Hab. Peru; mouth of Orinoco; Columbia. 
The young are paler and less speckled. 
2. Lagothrix infumatus. The Reddish Capparo. B.M. 
Dark reddish grey; hairs reddish, with black tips; the head and 
hands rather darker; inside of forearms, chest, and belly black; 
groin, base of the tail, and sides redder; hair of chest and belly 
abundant, long, and rather rigid. Male. 
Gastrimargus infumatus, Spix, Bras. p. 41, t. 29, female. Lagothrix 
Castelnaui, Is. Geoff. Castelnau Expéd, Amér. Sud, t. i. female. 
Hab. Brazil. 
Section II. Tricutura. Tail long, hairy to the end, not, or only 
feebly prehensile. Tongue-bone not prominent. Head round. 
Muzzle short. 
Tribe III. CEBINA. 
Grinders § . §, bluntly tubercular ; cutting-teeth erect, contiguous 
to the canines; canines large. Lower jaw not dilated behind. Limbs 
proportionate. The septum of the orbits bony. Tail very long, hairy ; 
end convolute. Penis with an expanded marginal gland. Grega- 
rious, lively, wanton, Living on fruit and insects. 
5. CEBUS. 
The character of the tribe. 
Cebus (partly), Erzi. 
In Burmeister’s Monograph in Abh. naturf, Ges. zu Halle, vol. ii., 
he divides the genus thus :— 
* Lumbar vertebra 5, Head large. 
Cesvs ratuetius, Linn. SS. Apella, Linn.; Buffon, xv. t.4. OC. 
frontatus, Kuhl, (Old) 8. fatuellus, Linn. ; Buffon, Supp. vii. 
t.29. ? C. niger, Geoff. C. lunatus, Kuhl. C. Azara, Rengger. 
Cesvs rozsustus, Pr. Max. (Old) C. cirrifer, Geoff. 
